128511872

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 264343200

約数和(自身を除く): 135831328

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 109, 122, 128, 151, 218, 244, 302, 436, 488, 604, 872, 976, 1208, 1744, 1952, 2416, 3488, 3904, 4832, 6649, 6976, 7808, 9211, 9664, 13298, 13952, 16459, 18422, 19328, 26596, 32918, 36844, 53192, 65836, 73688, 106384, 131672, 147376, 212768, 263344, 294752, 425536, 526688, 589504, 851072, 1003999, 1053376, 1179008, 2007998, 2106752, 4015996, 8031992, 16063984, 32127968, 64255936, 128511872]

約数ペア:

[(1, 128511872), (2, 64255936), (4, 32127968), (8, 16063984), (16, 8031992), (32, 4015996), (61, 2106752), (64, 2007998), (109, 1179008), (122, 1053376), (128, 1003999), (151, 851072), (218, 589504), (244, 526688), (302, 425536), (436, 294752), (488, 263344), (604, 212768), (872, 147376), (976, 131672), (1208, 106384), (1744, 73688), (1952, 65836), (2416, 53192), (3488, 36844), (3904, 32918), (4832, 26596), (6649, 19328), (6976, 18422), (7808, 16459), (9211, 13952), (9664, 13298)]